refactor(core): move workspace atoms to core (#5459)

@affine/workspace/atom -> @affine/core/modules/workspace

packages/frontend/workspace/src/atom.ts

@@ -1,57 +0,0 @@
-import { DebugLogger } from '@affine/debug';
-import { atom } from 'jotai';
-import { atomWithObservable } from 'jotai/utils';
-import { Observable } from 'rxjs';
-
-import { type Workspace, workspaceManager, type WorkspaceMetadata } from '.';
-
-const logger = new DebugLogger('affine:workspace:atom');
-
-// readonly atom for workspace manager, currently only one workspace manager is supported
-export const workspaceManagerAtom = atom(() => workspaceManager);
-
-// workspace metadata list, use rxjs to push updates
-export const workspaceListAtom = atomWithObservable<WorkspaceMetadata[]>(
-  get => {
-    const workspaceManager = get(workspaceManagerAtom);
-    return new Observable<WorkspaceMetadata[]>(subscriber => {
-      subscriber.next(workspaceManager.list.workspaceList);
-      return workspaceManager.list.onStatusChanged.on(status => {
-        subscriber.next(status.workspaceList);
-      }).dispose;
-    });
-  },
-  {
-    initialValue: [],
-  }
-);
-
-// workspace list loading status, if is false, UI can display not found page when workspace id is not in the list.
-export const workspaceListLoadingStatusAtom = atomWithObservable<boolean>(
-  get => {
-    const workspaceManager = get(workspaceManagerAtom);
-    return new Observable<boolean>(subscriber => {
-      subscriber.next(workspaceManager.list.status.loading);
-      return workspaceManager.list.onStatusChanged.on(status => {
-        subscriber.next(status.loading);
-      }).dispose;
-    });
-  },
-  {
-    initialValue: true,
-  }
-);
-
-// current workspace
-export const currentWorkspaceAtom = atom<Workspace | null>(null);
-
-// wait for current workspace, if current workspace is null, it will suspend
-export const waitForCurrentWorkspaceAtom = atom(get => {
-  const currentWorkspace = get(currentWorkspaceAtom);
-  if (!currentWorkspace) {
-    // suspended
-    logger.info('suspended for current workspace');
-    return new Promise<Workspace>(_ => {});
-  }
-  return currentWorkspace;
-});